Home / 6,949.44-10,424.50-3,987.09

Finding the Fourth Proportional to 6,949.44, 10,424.50 and 3,987.09

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Solution

The fourth proportional to 6,949.44, 10,424.50 and 3,987.09 is: 5,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949.44 : 10,424.50 = 3,987.09 : x
  2. Step 2: Convert to fraction form
    6,949.44/10,424.50 = 3,987.09/x
  3. Step 3: Cross multiply
    6,949.44x = 10,424.50 × 3,987.09
  4. Step 4: Simplify right side
    6,949.44x = 41,563,409.74
  5. Step 5: Solve for x
    x = 41,563,409.74/6,949.44
  6. Step 6: Final answer
    x = 5,980.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.